On April 14, 2014, the terrorist organization Boko Haram kidnapped more than 200 schoolgirls from the town of Chibok, Nigeria. Around the world, the crime became epitomized by the slogan #BringBackOurGirls — but in Nigeria, government officials called the crime a hoax, confusing and delaying any efforts to rescue the girls. In this powerful talk, journalist Stephanie Busari points to the Chibok tragedy to explain the deadly danger of fake news and what we can do to stop it.

The TED Talks channel features the best talks and performances from the TED Conference, where the world’s leading thinkers and doers give the talk of their lives in 18 minutes (or less). Look for talks on Technology, Entertainment and Design — plus science, business, global issues, the arts and more.